Unit 5 Nature's Temper Section A知识点讲义+当堂检测 2025-2026学年人教版八年级英语下册

该初中英语知识清单围绕Unit 5 “Nature’s Temper” Section A自然灾难主题，系统梳理核心词汇（warn, trouble, preparation, look up）和语法（过去进行时）知识体系。从词汇用法及搭配入手，结合例句解析，逐步过渡到过去进行时的基本结构、用法、句式变化及与一般过去时的对比，构建由词到句再到语法应用的学习支架。 知识链路以自然灾难语境为依托，逻辑清晰，词汇部分配“即学即练”巩固应用，语法部分通过对比表格和when/while搭配辨析深化理解。习题设计涵盖选择、填空及语法填空，注重语言能力培养和思维品质提升，助力学生在真实情境中掌握知识，提升学习效率。

新人教版英语八年级下册教材同步辅导 Unit 5 Nature’s Temper Section A What happens during a natural disaster ? 知识梳理·方法技巧 知识点1 Xinyi was warning a neighbour/have dinner. （P42 1c） 欣怡正在警告邻居/吃完饭。 warn v. 警告；提醒注意 I warned her not to go near the dog. 我警告她不要靠近那条狗。 Her mother called to warn her of/about the storm. 她的妈妈打电话提醒她注意风暴。P45 4b He warned me against going there at night. 他告诫我不要晚上去那儿。 Experts warn that eating too much chocolate is bad for health. 专家警告说吃太多巧克力对健康有害。 【即学即练】 My teacher warned me _________ (not / be) late for school again. The sign warns us _________ the danger ahead. His parents warned him against _________ (swim) in the deep river. The weather report warned that a heavy storm _________ (come) soon. 知识点2 Did you have any trouble during the typhoon? （P43 2d） 台风期间你遇到什么麻烦了吗？ (1) trouble n. 苦恼；困难；困境 1 get / run into trouble 陷入麻烦 / 困境 2 be in trouble 处于困境之中 3 have (no) trouble (in) doing sth. = have difficulty (in) doing sth. 做某事（没）有困难 = have problems (in) doing sth. 做某事有困难 If you obey the rules, you are not likely to get into trouble. 如果你守规矩，你就不太可能会遇到麻烦。 Don’t be afraid of asking your parents or teachers for help if you are in trouble. 如果你有困难，不要害怕向你的父母或老师寻求帮助。（永州中考） (2) trouble v. 使忧虑、苦恼；劳驾；麻烦 What is troubling you? 是什么事让你愁眉苦脸？ May I trouble you to pass me the salt? 麻烦您把盐递给我好吗？ 【谚语】 Don’t trouble trouble until trouble troubles you. 不要自找麻烦。 【即学即练】（2025 达州中考） One day, they met an old man who was having trouble in __________ (carry) a heavy load. 知识点3 Did your family make any preparations before the typhoon landed? （P44 3d） 你的家人在台风登陆前做了什么准备吗？ preparation /ˌprepəˈreɪʃn/ n. 准备（工作）；预备 (1) [可数名词] 准备（工作） ① make preparations (for...) 为…… 作准备 ② make preparations to do sth. 准备做某事 The students are making preparations for the midterm exam. 学生们正在为期末考试作准备。 We made preparations to move to new offices. 我们为搬到新办公室做好了准备。 (2) [不可数名词] 预备；准备 Careful preparation for the exam is necessary. 认真准备考试是有必要的。 【同源动词】 prepare v. 使作好准备；把…… 预备好；使…… 有准备 ① prepare for... 为…… 作准备 ② prepare...for... 为…… 准备好…… ③ prepare to do sth. 准备好做某事 【即学即练】 They are making _________ (prepare) for the coming sports meeting. The students are busy _________ (prepare) for the final exam these days. Careful _________ (prepare) is the key to success. We need _________ (prepare) a gift for her birthday party. The team made good _________ (preparation) before the match. She is preparing _________ (take) the English test tomorrow. We have no time _________ (prepare) for the typhoon. They are making preparations _________ (move) to the new house. 知识点4 When Jenny looked up, thick black clouds were forming in the sky, and the rain was beating against their roof. （P45 4c） 当珍妮抬头看时，天空中正在形成厚厚的乌云，雨水敲打着他们的屋顶。 ① look up 抬头看 She looked up from her book as I entered the room. 我进房间时，她从书本上抬起头来看了看。 ② look up（在词典、参考书中或通过电脑）查阅 He looked up a number in his phone. (= He looked a number up in his phone.) 他在手机里查了一个号码。（包头中考） Can you look it up on the website? 你能在网站上查一下它吗？ 注意：代词 it/them只能放在look与up之间，不能说look up it。 【look常见的短语还有】 1.When you meet a new word, you can ______ in the dictionary. A. look it up B. look up it C. look for it D. look it for 2.My sister is ill. I have to ______ her at home. A. look at B. look after C. look for D. look like 3.She is ______ her notes before the test. A. looking up B. looking through C. looking after D. looking forward to 4.—What are you doing? —I’m ______ my keys. I can’t find them anywhere. A. looking at B. looking after C. looking for D. looking like 5.______! The floor is wet. You might fall. A. Look at B. Look out C. Look up D. Look for 6.I’m really ______ the summer vacation. I plan to go to the beach. A. looking forward to B. looking for C. looking after D. looking through 7.He ______ the room but didn’t see anyone. A. looked around B. looked up C. looked after D. looked like 8.The doctor ______ the patient carefully and said there was nothing serious. A. looked for B. looked over C. looked up D. looked like 9.She ______ from her book when I called her name. A. looked for B. looked after C. looked up D. looked through 10.The girl ______ her mother. They have the same eyes and smile. A. looks after B. looks like C. looks for D. looks up 一、过去进行时的用法和基本结构 基本结构 was/were + 现在分词 (v-ing) 过去进行时的基本用法 ①表示过去某一时刻正在进行或发生的动作，常与表示过去某一时间点的时间状语连用，如 then（那时）、at 3 o’clock yesterday afternoon、at this/that time yesterday等。 I was travelling on the train then. P45 那时我正坐火车旅行。(教材原文) We were not shopping at this time yesterday. 昨天这个时候我们没在购物。 ②表示过去某一段时间内一直进行的动作，常与 the whole day、all day yesterday 等时间状语连用。有时没有明显的时间状语，可根据语境来判断。 I was watching TV the whole night. 整晚我都在看电视。 We were having classes all day yesterday. 我们昨天一整天都在上课。 二、句式变化（一变be动词，二变-ing。） 肯定句 主语+ was/were + v-ing + 其他. I was drinking Mixue at 6 p.m. yesterday. 否定句 主语+ was/were + not + v-ing +其他. I was not drinking Mixue at 6 p.m. yesterday. 一般疑问句 Was/Were + 主语 + v-ing + 其他? Yes, 主语 + was/were. No, 主语 + wasn't/weren't. Were you drinking Mixue at 6 p.m.yesterday. Yes, I was. No, I wasn’t. 特殊疑问句 特殊疑问词+was/were+ v-ing + 其他? —Who was drinking Mixue at 6 p.m.yesterday? —Tom. —What were you doing at 6 p.m.yesterday? —I was drinking Mixue. 三、过去进行时 vs 一般过去时 过去进行时 He was drinking Mixue at three yesterday afternoon. 昨天下午三点他正在喝蜜雪冰城。 （强调昨天下午三点那时那刻，正在进行的动作） 一般过去时 He drank Mixue yesterday afternoon. 昨天下午他喝了蜜雪冰城。 （仅仅叙述发生在过去的这件事，并且这件事已经结束。） 四、when 和 while 与过去进行时搭配 主句时态 连词 从句时态 一般过去时 / 过去进行时 when 一般过去时 / 过去进行时 I was watching TV when the phone rang. / The phone rang when I was watching TV. 一般过去时 / 过去进行时 while 过去进行时 The phone rang while I was watching TV. 【重要原则】主过从过！ Section A What happens during a natural disaster ? 当堂检测（满分50分） 1、 单项选择。 (5×2=10) 1.While I was walking to school, I (          ) an old friend. A. meet B. met C. was meeting 2. The boy was lying on the ground (          ) the car hit him. A. while B. as C. when 3. My mother (          ) dishes while I was sweeping the floor. A. washed B. washes C. was washing 4. I didn't hear the phone because I (          ) a shower. A. took B. am taking C. was taking 5. —What were you doing at 9:00 last night? —I (          ) the piano. A. played B. was playing C. play 2、 用所给单词的正确形式填空. (10×2=20) 1. They ______________ (play) basketball when it suddenly began to rain. 2. The heavy rain started while I ________________ (wait) for the school bus. 3. While the man _______________ (run) back home, he saw a dog by the side of the road. 4.  I ____________ (walk) home on the street when the rainstorm came. 5. I was doing my homework in my room, while my brother ___________ (watch) TV in the living room. 6. When Mr Yang walked into the classroom, we ______________ (read) English. 7. While my father ______________ (drink) tea, my mother was calling my grandmother. 8. I didn’t hear what Mr Smith said. I _____________ (look) out of the window at that time. 9. —Were you with Kate at this time yesterday? —Yes. We _____________ (wait) for the bus at the bus stop. 10.  When Li Lei came into the room, his friends ____________(prepare) for his birthday party. 3、 语法填空。 (10×2=20) The sun was shining when Tom and his sister Lily walked to the park after school. They wanted 1. ___________ (play) on the swings and have a picnic. While they 2. ____________ (eat) their sandwiches, Lily looked up at the sky. “Look at 3. ____________ (that) clouds,” she said. “It is getting dark.” Tom didn’t think it would rain, but a woman walking her dog warned them, “4. ________ storm is coming soon. You’d better 5.______(go) home now.” More clouds 6._________(form) above their heads then, and the wind began to blow. They 7. ___________ (quick) packed up their things and started walking home. Just as they turned the corner, it began to rain. Thunder sounded loudly, and lightning lit up the sky. “I’m glad we left,” said Lily. 8. __________ they got home, their mum gave them dry clothes and warm cocoa. They sat by the window and 9.__________(watch) the rain pour down. The storm lasted for about twenty minutes and then passed. After that, the sun 10. __________ (come) out through the clouds. Lily smiled and said, “Next time, I’ll trust the clouds!” 学科网（北京）股份有限公司 $